Computer Power Supply PCB
$32.90
Computer power supply PCB is the core component that governs the power supply unit in desktop computers for higher efficient power conversion and distribution. A reliable computer power supply PCB is essential for system stability and performance.
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Layer Counts | 4L |
Base Material | FR4 |
Board Thickness(mm) | 1.6mm |
Max board size(mm) | 570*850mm |
PCB size tolerance | ±0.2mm |
Min. Hole Size | 0.15mm |
Min. Line Width | 0.4mil |
Copper Weight | 1oz |
Surface Finish | ENIG |
Certificate | UL, IPC-6012, RoHS, ISO 9001, ISO14001, REACH |

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Questions & Answers
1. What are the main functions of a computer power supply PCB?
The computer power supply PCB is mainly used to convert electrical power from an AC wall outlet to DC voltages. Besides AC to DC conversion, the PCB also regulates voltage, distributes power to the motherboard, GPU, CPU, and other components, and ensures stable and safe power delivery.
2. What kind of components are usually mounted on a computer power supply PCB?
Key components include transformers, capacitors, inductors, rectifiers, power transistors, and more. They work together to convert and regulate power. Other components, like heat sinks, are also mounted to ensure efficiency and safety.
3. How is thermal management handled on this type of computer PCB?
Our engineer designs the PCB with thermal pads, cooling fans, heat sinks, thermal vias, and thicker copper traces to achieve great heat dissipation. We also consider airflow and component placement to improve cooling performance and ensure long-term reliability.
4. What protections are built into the computer power supply PCB?
Several safety protections are made to prevent damage, including overvoltage, overcurrent, short-circuit protection, overtemperature shutdown, and surge absorption.
5. What causes a computer power supply PCB to fail?
Possible reasons for computer power supply PCB failure can be component aging, overheating, power surges, electrical shorts, cracked solder joints, and more.
6. Do you support global shipping and logistics?
Yes, we ship to all countries and regions, like North America, Europe, Southeast Asia, and more, via DHL, FedEx, UPS, or your preferred freight.